OKIDATA OL400e Series, Service Manual

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Page: 184
Service Manual for OL400e/OL410e/OL410e-PS
Chapter 4 Failure & Repair Analysis
Front Panel Messages: Buffer Overflow, Interface, Paper Size
Category LCD Message Problem Solution
Buffer
Overflow REC BUFF
OVERFLOW
(LED is NOT lit) The receive buffer
overflowed. 1. Press the operator
panel RECOVERY key
to release the error
display.
2. Change the setting of
the host side so that it
can detect the busy
status of the printer.
3. Resend the data from
the host side to the
printer.
Buffer
Overflow PRINT OVERRUN
(LED is NOT lit) The print data is too
complicated to be
printed. 1. Press the operator
panel RECOVERY key
to release the error
display.
2. Simplify page data
formatting.
3. Increase RAM size.
Interface
Errors HOST I/F
ERROR
(LED is NOT lit) An error occurred in
the serial
interface.A framing
error or an overrun
error is detected. 1. Press the operator
panel RECOVERY key
to release the display.
2. Check the protocol of
the host and printer.
3. Replace the main
controller board.